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Bioluminescence
Bioluminescence occurs when organisms convert chemical energy into visible light. This happens when a chemical reaction involving oxygen and two other molecules takes place. During this reaction, light of varying colors may be emitted. The great majority of organisms that use bioluminescence are found deep in the oceans depths. This ability to produce light serves a variety of functions. Organisms may use it to do anything from escape their predators
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| Post dates | Users | rates | Contents |
|---|---|---|---|
| 2013-11-08 | Pinky123 | 85.00 | Check this speaking |
| 2016-03-03 | saramhl | 90.00 | Check this speaking |
| 2014-04-14 | Ekhlass1980 | 80.00 | Check this speaking |
| 2014-04-14 | Ekhlass1980 | 80.00 | Check this speaking |
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- There are two instructor options for your final class. One instructor is strict, gives a lot of homework, and expects a lot from students. The other instructor is not as strict and does not give as many assignments. Which instructor would you choose for y 80
- There are many techniques that the media use to send messages to the audience. For example, some advertisement companies portray positive traits of their products so they appear to be the best. However, some advertisement companies isolate some messages f 80
- describe your favorite season of the year. 85
- Some students would rather write a paper than take a test. Other studentswould rather take a test instead of writing a paper. Which option do you prefer andwhy? 80
- School is planning to change the cafeteria’s menu with aims of offering healthier, low-calorie foods. Describe the advantage and disadvantage. 86
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The second example is short.